The device to measure the oxygen concentration by sampling the atmosphere such as nitrogen reflow equipment.

    • Requires no calibration with reference gas before using the analyzer.
    • Features longer sensor service life than other galvanic battery type sensors.
    • A PC communication output port (RS-232C) as a standard feature.


Product specifications:

Model NameOAS-1
Measurement rangeOAS-1-150ppm - 1000ppm or 500ppm - 1% (Selectable on request)
OAS-1-250ppm - 1%
Measurement accuracyOAS-1-150ppm - 1000ppm +/-50ppm 500ppm - 1% +/-500ppm
OAS-1-250ppm - 1000ppm +/-50ppm 1000ppm - 1% +/-500ppm
Response90 seconds (90% response value)
Warm-up timeApprox. 5minutes
('---' is displayed for 4 minutes and blinks for 1 minute.)
Gas temperature+5 - 50C
Gas humidity0 - 85% R.H.
Ext. outputOutputs digital signals at 1-minute interval (thru. RS-232C) 9600bps, non parity, stop bit : 1
Source voltage100VAC, 0.5A or less
Outer Dimension170(W) x 140(H) x 315(D) (mm)
WeightApprox. 3kg
Sensor lifeApprox. 3years (depending on the use environments)

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